Keith Bishop, or Big Keith, works in the accounts department. Slow-talking, apparently emotionless and suffering from eczema on his feet, he is a man of few words. When he does speak, his comments can be surprising and sometimes disturbing. He likes eating scotch eggs and watching Peak Practice, even if it is a "bloody repeat".

When David introduced the staff to Donna and told them to keep their hands off because her dad is a copper, they began throwing sexual innuendoes at her, Keith joined in and asked her if she wanted to "receive some swollen goods". (Work Experience)

Keith was later interrogated by Gareth Keenan about how had created a pornographic image featuring David. Keith revealed he knew who had done the picture but corrected himself saying he did not. Keith claimed this was because Gareth was making him nervous. (Work Experience)

Keith formed a quiz team with Sheila and Jackie called Universally Challenged who came in 4th place in the annual quiz. (The Quiz)

Keith attended the training session with the rest of the staff where he revealed he finds his job brainless and easy. (Training)

Keith had a conversation with Tim Canterbury, during his lunch, where he discussed Tim's decision to quit and how he embarrassing it must've been when Tim asked Dawn Tinsley out in front of everyone. Keith went on to tell Tim that he spent the night in watching the TV show Peak Practice and how he enjoys watching it, even though it was a bloody repeat it was fine because he hadn't seen it. Keith pointed out that it must be a boring life to live, staying in and watching Peak Practice. Although he doesn't consider his life boring because he enjoys Peak Practice. Tim told Keith that he just stayed in and had a wank as Keith took a bite from his scotch egg. (New Girl)

After finding out about the planned downsizing of the Slough branch, he was seen DJing at the office party. (Judgement)

Series 2

Keith did not complete his appraisal form very well, even leaving a whole Q&A section blank believing it was for David Brent to fill out. When David tried to talk him through it, Keith's only answer to the questions was to tick the "don't know" option. (Appraisals)

Keith later enjoyed an "alright" pub lunch when he went down to the pub with David and some of the staff. (Appraisals)

After discovering the staff were making fun of him for being fat, David try attention to the fact Keith was fatter than him and that he wore glasses. (Motivation)

Keith dressed up as Ali G for Red Nose Day. He later spoke to Dawn, in his trademark awkward style, about her plans to go to the States and how Tim was now with Rachel. Followed by a scotch egg. (Charity)